Oceans Part 2; Chapter 16

Ocean Pollution

100

The Great Pacific Garbage Patch is an area 3 times greater than ___________________.

Texas

200

Occurred off the coast of Alaska in March 1989 when an oil tanker struck a reef off the coast of Alaska and spilled more than 10 million gallons of oil.

Exxon Valdez Oil Spill 

300

As marine wildlife goes down, there is an increase for algal blooms which create toxins that can then be “passed up” the food chain from fish to all the way up to ___________________.

Marine Birds

400

Name one effort that is being made to preserve or restore a coral reef.

Coral Trees

Living Seawalls

Conserving Genetic Diversity and Reintroducing Coral  

500

Name a fish not high in mercury 

canned tuna, salmon, and catfish

Overfishing

100

In the 1960s thousands of dolphins were caught in purse seining while fishing for ___________________.

tuna

200

All of the following are ways that has been encouraged for tuna fisherman to use to avoid accidentally catching dolphins except for:

Throw Special Dolphin Repellent Out  

Use Circle Hooks

Use Acoustic Deterrents (Pingers)

 Set Nets Below Surface

300

What size ocean marine reserve is best for the environment and fisheries?

Medium

400

Within 1-2 years of establishing ocean marine reserves, the average size of the organisms increased by what percent?

31%

500

Name an example of fish that was previously thought of as undesirable but has now been remarketed to sell to consumers? _________________________________________

“Toothfish” once thrown overboard is now the “Chilean Sea Bass” 

and 

the “Slimehead” is now the “Orange Roughy”